Home / 8,237.86-12,357.33-2,900.39

Finding the Fourth Proportional to 8,237.86, 12,357.33 and 2,900.39

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Solution

The fourth proportional to 8,237.86, 12,357.33 and 2,900.39 is: 4,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237.86 : 12,357.33 = 2,900.39 : x
  2. Step 2: Convert to fraction form
    8,237.86/12,357.33 = 2,900.39/x
  3. Step 3: Cross multiply
    8,237.86x = 12,357.33 × 2,900.39
  4. Step 4: Simplify right side
    8,237.86x = 35,841,076.36
  5. Step 5: Solve for x
    x = 35,841,076.36/8,237.86
  6. Step 6: Final answer
    x = 4,350.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.